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◎ Examples of synaptic plasticity
・ The plasticity of conjunction among synapses (≒ the plasticity of coupling synapses)
A cross-sewing operation was performed on a foreleg of a cat to replace the nerve for bending muscle of peripheral nerves with the nerve for stretching muscle.
After 2 〜 8 months since the operation, first the foreleg of the cat moves oppositely to the intention ( namely, when the cat tries to bend the arm, it’s stretched. Inversely, when the cat tries to stretch the arm, it’s bent ), soon the cat gets to be able to perform usual behavior such as catching a bait in the way before the operation.
A synapse is formed of fibers from the motor area of a cerebrum at a red nucleus.
→ the cerebral red nuclear synapse
